feat: bcachefs init
This commit is contained in:
commit
99e384733f
12
Makefile
Normal file
12
Makefile
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@ -0,0 +1,12 @@
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ifneq (${KERNELRELEASE},)
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ccflags-y := -I$(src)/include
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obj-m += src/fs/bcachefs/
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else
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KDIR ?= /lib/modules/`uname -r`/build
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default:
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$(MAKE) -C $(KDIR) M=$$PWD modules
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clean:
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$(MAKE) -C $(KDIR) M=$$PWD clean
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endif
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42
PKGBUILD
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42
PKGBUILD
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@ -0,0 +1,42 @@
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pkgname=bcachefs
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pkgver=20241025
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pkgrel=1
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arch=('x86_64')
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depends=('dkms')
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license=('GPL2')
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options=('!strip')
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provides=("BCACHEFS-MODULE=$pkgver")
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source=('dkms.conf' 'Makefile' 'compat.h' 'fix-kernel-6.11.patch')
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sha256sums=('a5e55374ea5966e8304b6436dc1512588a898974b3b0f9acb189342323f826cf'
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'd7fa983a3a03a68974ffbc5c96a0c9c7978e2b4001c2305896ba8085c772aa43'
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'1f3cdd4f85b0a47c80e930c238840de9f6505c1f8c3e3d1ae6333bebb6ebaa73'
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'eaed621c99e1af0bba60f4530c4e2d9e29505648b8ff4d23a5d02e9fea90c220')
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pkgver() {
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cd bcachefs
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git --no-pager log -1 --pretty='format:%cd' --date='format:%Y%m%d'
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}
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prepare() {
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sed -i -e "s/@PACKAGE_VERSION@/$pkgver/g" "$srcdir/dkms.conf"
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rm -rf bcachefs
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git clone -n --depth=1 --filter=tree:0 https://github.com/koverstreet/bcachefs.git -b bcachefs-for-upstream
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cd bcachefs
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git sparse-checkout set --no-cone fs/bcachefs
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git checkout
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git apply "$srcdir"/*.patch
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for i in fs/bcachefs/{fs.c,rcu_pending.c,six.c,journal.c}; do
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sed -i '/#include[^\n]*/,$!b;//{x;//p;g};//!H;$!d;x;s//&\n#include "compat.h"/' $i
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done
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cp ../compat.h "$srcdir"/bcachefs/fs/bcachefs/
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}
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package() {
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install -Dm644 "$srcdir/Makefile" "$pkgdir/usr/src/$pkgname-$pkgver/Makefile"
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install -Dm644 "$srcdir/dkms.conf" "$pkgdir/usr/src/$pkgname-$pkgver/dkms.conf"
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install -d -Dm755 "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs"
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install -m644 -t "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs" "$srcdir/$pkgname/fs/bcachefs"/*
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sed -i 's/$(CONFIG_BCACHEFS_FS)/m/g' "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs/Makefile"
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sed -i "s%^#define TRACE_INCLUDE_PATH \\.\\./\\.\\./fs/bcachefs\$%#define TRACE_INCLUDE_PATH /usr/src/$pkgname-$pkgver/src/fs/bcachefs%" "$pkgdir/usr/src/$pkgname-$pkgver/src/fs/bcachefs/trace.h"
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}
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151
compat.h
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151
compat.h
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@ -0,0 +1,151 @@
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#include <linux/generic-radix-tree.h>
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#define inode_state_wait_address(inode, bit) ((char *)&(inode)->i_state + (bit))
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static inline void inode_wake_up_bit(struct inode *inode, u32 bit)
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{
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/* Caller is responsible for correct memory barriers. */
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wake_up_var(inode_state_wait_address(inode, bit));
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}
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static inline struct wait_queue_head *inode_bit_waitqueue(struct wait_bit_queue_entry *wqe,
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struct inode *inode, u32 bit)
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{
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void *bit_address;
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bit_address = inode_state_wait_address(inode, bit);
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init_wait_var_entry(wqe, bit_address, 0);
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return __var_waitqueue(bit_address);
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}
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#define genradix_ptr_alloc_preallocated_inlined(_radix, _idx, _new_node, _gfp)\
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(__genradix_cast(_radix) \
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(__genradix_ptr_inlined(&(_radix)->tree, \
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__genradix_idx_to_offset(_radix, _idx)) ?: \
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__genradix_ptr_alloc(&(_radix)->tree, \
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__genradix_idx_to_offset(_radix, _idx), \
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_gfp)))
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#define GENRADIX_NODE_SHIFT 9
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#define GENRADIX_NODE_SIZE (1U << GENRADIX_NODE_SHIFT)
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#define GENRADIX_ARY (GENRADIX_NODE_SIZE / sizeof(struct genradix_node *))
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#define GENRADIX_ARY_SHIFT ilog2(GENRADIX_ARY)
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#define GENRADIX_MAX_DEPTH \
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DIV_ROUND_UP(BITS_PER_LONG - GENRADIX_NODE_SHIFT, GENRADIX_ARY_SHIFT)
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#define GENRADIX_DEPTH_MASK \
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((unsigned long) (roundup_pow_of_two(GENRADIX_MAX_DEPTH + 1) - 1))
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struct genradix_root;
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static inline struct genradix_node *genradix_alloc_node(gfp_t gfp_mask)
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{
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return kzalloc(GENRADIX_NODE_SIZE, gfp_mask);
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}
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static inline void genradix_free_node(struct genradix_node *node)
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{
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kfree(node);
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}
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static inline int genradix_depth_shift(unsigned depth)
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{
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return GENRADIX_NODE_SHIFT + GENRADIX_ARY_SHIFT * depth;
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}
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static inline struct genradix_node *genradix_root_to_node(struct genradix_root *r)
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{
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return (void *) ((unsigned long) r & ~GENRADIX_DEPTH_MASK);
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}
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static inline unsigned genradix_root_to_depth(struct genradix_root *r)
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{
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return (unsigned long) r & GENRADIX_DEPTH_MASK;
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}
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struct genradix_node {
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union {
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/* Interior node: */
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struct genradix_node *children[GENRADIX_ARY];
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/* Leaf: */
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u8 data[GENRADIX_NODE_SIZE];
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};
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};
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static inline void *__genradix_ptr_inlined(struct __genradix *radix, size_t offset)
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{
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struct genradix_root *r = READ_ONCE(radix->root);
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struct genradix_node *n = genradix_root_to_node(r);
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unsigned level = genradix_root_to_depth(r);
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unsigned shift = genradix_depth_shift(level);
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if (unlikely(ilog2(offset) >= genradix_depth_shift(level)))
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return NULL;
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while (n && shift > GENRADIX_NODE_SHIFT) {
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shift -= GENRADIX_ARY_SHIFT;
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n = n->children[offset >> shift];
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offset &= (1UL << shift) - 1;
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}
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return n ? &n->data[offset] : NULL;
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}
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static inline bool rt_or_dl_prio(int prio)
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{
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return unlikely(prio < MAX_RT_PRIO);
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}
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static inline bool rt_or_dl_task(struct task_struct *p)
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{
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return rt_or_dl_prio(p->prio);
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}
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#ifdef _BCACHEFS_FS_H
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inline void __iget(struct inode *inode)
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{
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atomic_inc(&inode->i_count);
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}
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#endif
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#define __closure_wait_event_timeout(waitlist, _cond, _until) \
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({ \
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struct closure cl; \
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long _t; \
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\
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closure_init_stack(&cl); \
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\
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while (1) { \
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closure_wait(waitlist, &cl); \
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if (_cond) { \
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_t = max_t(long, 1L, _until - jiffies); \
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break; \
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} \
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_t = max_t(long, 0L, _until - jiffies); \
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if (!_t) \
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break; \
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closure_sync_timeout(&cl, _t); \
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} \
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closure_wake_up(waitlist); \
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closure_sync(&cl); \
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_t; \
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})
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/*
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* Returns 0 if timeout expired, remaining time in jiffies (at least 1) if
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* condition became true
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*/
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#define closure_wait_event_timeout(waitlist, _cond, _timeout) \
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({ \
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unsigned long _until = jiffies + _timeout; \
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(_cond) \
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? max_t(long, 1L, _until - jiffies) \
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: __closure_wait_event_timeout(waitlist, _cond, _until);\
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})
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6
dkms.conf
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6
dkms.conf
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PACKAGE_NAME="bcachefs"
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PACKAGE_VERSION="@PACKAGE_VERSION@"
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BUILT_MODULE_NAME[0]="bcachefs"
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BUILT_MODULE_LOCATION[0]="src/fs/bcachefs"
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DEST_MODULE_LOCATION[0]="/kernel/fs/bcachefs"
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AUTOINSTALL="yes"
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70
fix-kernel-6.11.patch
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70
fix-kernel-6.11.patch
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@ -0,0 +1,70 @@
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From ed055b79a4503094656f19455a847fc9ae2fa799 Mon Sep 17 00:00:00 2001
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From: nyyu <mail@nyyu.dev>
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Date: Sun, 6 Oct 2024 18:15:55 +0200
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Subject: [PATCH] fix: kernel 6.11
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---
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fs/bcachefs/fs-io-buffered.c | 8 +++++---
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fs/bcachefs/fs-io-buffered.h | 4 ++--
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2 files changed, 7 insertions(+), 5 deletions(-)
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diff --git a/fs/bcachefs/fs-io-buffered.c b/fs/bcachefs/fs-io-buffered.c
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index 48a1ab9..2f96017 100644
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--- a/fs/bcachefs/fs-io-buffered.c
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+++ b/fs/bcachefs/fs-io-buffered.c
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@@ -648,7 +648,7 @@ int bch2_writepages(struct address_space *mapping, struct writeback_control *wbc
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int bch2_write_begin(struct file *file, struct address_space *mapping,
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loff_t pos, unsigned len,
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- struct folio **foliop, void **fsdata)
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+ struct page **pagep, void **fsdata)
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{
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struct bch_inode_info *inode = to_bch_ei(mapping->host);
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struct bch_fs *c = inode->v.i_sb->s_fs_info;
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@@ -717,11 +717,12 @@ out:
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goto err;
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}
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- *foliop = folio;
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+ *pagep = &folio->page;
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return 0;
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err:
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folio_unlock(folio);
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folio_put(folio);
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+ *pagep = NULL;
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err_unlock:
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bch2_pagecache_add_put(inode);
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kfree(res);
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@@ -731,11 +732,12 @@ err_unlock:
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int bch2_write_end(struct file *file, struct address_space *mapping,
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loff_t pos, unsigned len, unsigned copied,
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- struct folio *folio, void *fsdata)
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+ struct page *page, void *fsdata)
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{
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struct bch_inode_info *inode = to_bch_ei(mapping->host);
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struct bch_fs *c = inode->v.i_sb->s_fs_info;
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struct bch2_folio_reservation *res = fsdata;
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+ struct folio *folio = page_folio(page);
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unsigned offset = pos - folio_pos(folio);
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lockdep_assert_held(&inode->v.i_rwsem);
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diff --git a/fs/bcachefs/fs-io-buffered.h b/fs/bcachefs/fs-io-buffered.h
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index 3207ebb..40ce76c 100644
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--- a/fs/bcachefs/fs-io-buffered.h
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+++ b/fs/bcachefs/fs-io-buffered.h
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@@ -11,9 +11,9 @@ int bch2_writepages(struct address_space *, struct writeback_control *);
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void bch2_readahead(struct readahead_control *);
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int bch2_write_begin(struct file *, struct address_space *, loff_t pos,
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- unsigned len, struct folio **, void **);
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+ unsigned len, struct page **, void **);
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int bch2_write_end(struct file *, struct address_space *, loff_t,
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- unsigned len, unsigned copied, struct folio *, void *);
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+ unsigned len, unsigned copied, struct page *, void *);
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ssize_t bch2_write_iter(struct kiocb *, struct iov_iter *);
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--
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2.46.2
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