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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 17:45:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 17:45:36 +0000 |
| commit | 429d3efd5669e129a6168d62edb6832e36b7a2a0 (patch) | |
| tree | 14b99403f823ded018ba76aa450e8687247796b8 /debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch | |
| parent | Merging upstream version 5.10.216. (diff) | |
| download | linux-429d3efd5669e129a6168d62edb6832e36b7a2a0.tar.xz linux-429d3efd5669e129a6168d62edb6832e36b7a2a0.zip | |
Adding debian version 5.10.216-1.debian/5.10.216-1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch')
| -rw-r--r-- | debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch b/debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch index e687b4d2d..83c9ac4c1 100644 --- a/debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch +++ b/debian/patches-rt/0185-fs-dcache-disable-preemption-on-i_dir_seq-s-write-si.patch @@ -1,9 +1,9 @@ -From 06c5210bfc8eff16e0d1df2430c7fcb07eae6c67 Mon Sep 17 00:00:00 2001 +From 84c3dc76def6dc05f7c4d5da3d1ca055631803c3 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Fri, 20 Oct 2017 11:29:53 +0200 Subject: [PATCH 185/323] fs/dcache: disable preemption on i_dir_seq's write side -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.215-rt107.tar.xz i_dir_seq is an opencoded seqcounter. Based on the code it looks like we could have two writers in parallel despite the fact that the d_lock is @@ -24,10 +24,10 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/fs/dcache.c b/fs/dcache.c -index 1f4255ef8722..26a187abf13a 100644 +index 4bcd832ace5dc..380c528e6e98c 100644 --- a/fs/dcache.c +++ b/fs/dcache.c -@@ -2503,9 +2503,10 @@ EXPORT_SYMBOL(d_rehash); +@@ -2504,9 +2504,10 @@ EXPORT_SYMBOL(d_rehash); static inline unsigned start_dir_add(struct inode *dir) { @@ -40,7 +40,7 @@ index 1f4255ef8722..26a187abf13a 100644 return n; cpu_relax(); } -@@ -2513,7 +2514,8 @@ static inline unsigned start_dir_add(struct inode *dir) +@@ -2514,7 +2515,8 @@ static inline unsigned start_dir_add(struct inode *dir) static inline void end_dir_add(struct inode *dir, unsigned n) { @@ -50,7 +50,7 @@ index 1f4255ef8722..26a187abf13a 100644 } static void d_wait_lookup(struct dentry *dentry) -@@ -2549,7 +2551,7 @@ struct dentry *d_alloc_parallel(struct dentry *parent, +@@ -2550,7 +2552,7 @@ struct dentry *d_alloc_parallel(struct dentry *parent, retry: rcu_read_lock(); @@ -59,7 +59,7 @@ index 1f4255ef8722..26a187abf13a 100644 r_seq = read_seqbegin(&rename_lock); dentry = __d_lookup_rcu(parent, name, &d_seq); if (unlikely(dentry)) { -@@ -2577,7 +2579,7 @@ struct dentry *d_alloc_parallel(struct dentry *parent, +@@ -2578,7 +2580,7 @@ struct dentry *d_alloc_parallel(struct dentry *parent, } hlist_bl_lock(b); @@ -69,7 +69,7 @@ index 1f4255ef8722..26a187abf13a 100644 rcu_read_unlock(); goto retry; diff --git a/fs/inode.c b/fs/inode.c -index 5c7139aa2bda..4ee8239c055f 100644 +index 5c7139aa2bda7..4ee8239c055f1 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -158,7 +158,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode) @@ -82,10 +82,10 @@ index 5c7139aa2bda..4ee8239c055f 100644 inode->dirtied_when = 0; diff --git a/include/linux/fs.h b/include/linux/fs.h -index 82316863c71f..a29a0b8a1eca 100644 +index 6de70634e5471..16e5e3096a504 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h -@@ -699,7 +699,7 @@ struct inode { +@@ -701,7 +701,7 @@ struct inode { struct block_device *i_bdev; struct cdev *i_cdev; char *i_link; @@ -95,5 +95,5 @@ index 82316863c71f..a29a0b8a1eca 100644 __u32 i_generation; -- -2.43.0 +2.44.0 |