From: Eric Biggers <ebiggers@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Theodore Ts'o <tytso@mit.edu>, Christoph Hellwig <hch@lst.de> Subject: [PATCH v2 04/12] fat: only specify I_DIRTY_TIME when needed in fat_update_time() Date: Fri, 8 Jan 2021 23:58:55 -0800 [thread overview] Message-ID: <20210109075903.208222-5-ebiggers@kernel.org> (raw) In-Reply-To: <20210109075903.208222-1-ebiggers@kernel.org> From: Eric Biggers <ebiggers@google.com> As was done for generic_update_time(), only pass I_DIRTY_TIME to __mark_inode_dirty() when the inode's timestamps were actually updated and lazytime is enabled. This avoids a weird edge case where I_DIRTY_TIME could be set in i_state when lazytime isn't enabled. Signed-off-by: Eric Biggers <ebiggers@google.com> --- fs/fat/misc.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/fs/fat/misc.c b/fs/fat/misc.c index f1b2a1fc2a6a4..18a50a46b57f8 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -329,22 +329,23 @@ EXPORT_SYMBOL_GPL(fat_truncate_time); int fat_update_time(struct inode *inode, struct timespec64 *now, int flags) { - int iflags = I_DIRTY_TIME; - bool dirty = false; + int dirty_flags = 0; if (inode->i_ino == MSDOS_ROOT_INO) return 0; - fat_truncate_time(inode, now, flags); - if (flags & S_VERSION) - dirty = inode_maybe_inc_iversion(inode, false); - if ((flags & (S_ATIME | S_CTIME | S_MTIME)) && - !(inode->i_sb->s_flags & SB_LAZYTIME)) - dirty = true; + if (flags & (S_ATIME | S_CTIME | S_MTIME)) { + fat_truncate_time(inode, now, flags); + if (inode->i_sb->s_flags & SB_LAZYTIME) + dirty_flags |= I_DIRTY_TIME; + else + dirty_flags |= I_DIRTY_SYNC; + } + + if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false)) + dirty_flags |= I_DIRTY_SYNC; - if (dirty) - iflags |= I_DIRTY_SYNC; - __mark_inode_dirty(inode, iflags); + __mark_inode_dirty(inode, dirty_flags); return 0; } EXPORT_SYMBOL_GPL(fat_update_time); -- 2.30.0
WARNING: multiple messages have this Message-ID (diff)
From: Eric Biggers <ebiggers@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>, Christoph Hellwig <hch@lst.de>, linux-f2fs-devel@lists.sourceforge.net Subject: [f2fs-dev] [PATCH v2 04/12] fat: only specify I_DIRTY_TIME when needed in fat_update_time() Date: Fri, 8 Jan 2021 23:58:55 -0800 [thread overview] Message-ID: <20210109075903.208222-5-ebiggers@kernel.org> (raw) In-Reply-To: <20210109075903.208222-1-ebiggers@kernel.org> From: Eric Biggers <ebiggers@google.com> As was done for generic_update_time(), only pass I_DIRTY_TIME to __mark_inode_dirty() when the inode's timestamps were actually updated and lazytime is enabled. This avoids a weird edge case where I_DIRTY_TIME could be set in i_state when lazytime isn't enabled. Signed-off-by: Eric Biggers <ebiggers@google.com> --- fs/fat/misc.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/fs/fat/misc.c b/fs/fat/misc.c index f1b2a1fc2a6a4..18a50a46b57f8 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -329,22 +329,23 @@ EXPORT_SYMBOL_GPL(fat_truncate_time); int fat_update_time(struct inode *inode, struct timespec64 *now, int flags) { - int iflags = I_DIRTY_TIME; - bool dirty = false; + int dirty_flags = 0; if (inode->i_ino == MSDOS_ROOT_INO) return 0; - fat_truncate_time(inode, now, flags); - if (flags & S_VERSION) - dirty = inode_maybe_inc_iversion(inode, false); - if ((flags & (S_ATIME | S_CTIME | S_MTIME)) && - !(inode->i_sb->s_flags & SB_LAZYTIME)) - dirty = true; + if (flags & (S_ATIME | S_CTIME | S_MTIME)) { + fat_truncate_time(inode, now, flags); + if (inode->i_sb->s_flags & SB_LAZYTIME) + dirty_flags |= I_DIRTY_TIME; + else + dirty_flags |= I_DIRTY_SYNC; + } + + if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false)) + dirty_flags |= I_DIRTY_SYNC; - if (dirty) - iflags |= I_DIRTY_SYNC; - __mark_inode_dirty(inode, iflags); + __mark_inode_dirty(inode, dirty_flags); return 0; } EXPORT_SYMBOL_GPL(fat_update_time); -- 2.30.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next prev parent reply other threads:[~2021-01-09 8:00 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-09 7:58 [PATCH v2 00/12] lazytime fix and cleanups Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-09 7:58 ` [PATCH v2 01/12] fs: fix lazytime expiration handling in __writeback_single_inode() Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 10:48 ` Christoph Hellwig 2021-01-11 10:48 ` [f2fs-dev] " Christoph Hellwig 2021-01-11 14:46 ` Jan Kara 2021-01-11 14:46 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` [PATCH v2 02/12] fs: correctly document the inode dirty flags Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 14:48 ` Jan Kara 2021-01-11 14:48 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` [PATCH v2 03/12] fs: only specify I_DIRTY_TIME when needed in generic_update_time() Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 14:50 ` Jan Kara 2021-01-11 14:50 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` Eric Biggers [this message] 2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 04/12] fat: only specify I_DIRTY_TIME when needed in fat_update_time() Eric Biggers 2021-01-11 10:52 ` Christoph Hellwig 2021-01-11 10:52 ` [f2fs-dev] " Christoph Hellwig 2021-01-11 19:50 ` Eric Biggers 2021-01-11 19:50 ` [f2fs-dev] " Eric Biggers 2021-01-12 5:21 ` Dave Chinner 2021-01-12 5:21 ` [f2fs-dev] " Dave Chinner 2021-01-12 13:23 ` Christoph Hellwig 2021-01-12 13:23 ` [f2fs-dev] " Christoph Hellwig 2021-01-11 14:52 ` Jan Kara 2021-01-11 14:52 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` [PATCH v2 05/12] fs: don't call ->dirty_inode for lazytime timestamp updates Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 14:54 ` Jan Kara 2021-01-11 14:54 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` [PATCH v2 06/12] fs: pass only I_DIRTY_INODE flags to ->dirty_inode Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 14:56 ` Jan Kara 2021-01-11 14:56 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` [PATCH v2 07/12] fs: clean up __mark_inode_dirty() a bit Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 14:59 ` Jan Kara 2021-01-11 14:59 ` [f2fs-dev] " Jan Kara 2021-01-09 7:58 ` [PATCH v2 08/12] fs: drop redundant check from __writeback_single_inode() Eric Biggers 2021-01-09 7:58 ` [f2fs-dev] " Eric Biggers 2021-01-11 10:52 ` Christoph Hellwig 2021-01-11 10:52 ` [f2fs-dev] " Christoph Hellwig 2021-01-11 15:00 ` Jan Kara 2021-01-11 15:00 ` [f2fs-dev] " Jan Kara 2021-01-09 7:59 ` [PATCH v2 09/12] fs: improve comments for writeback_single_inode() Eric Biggers 2021-01-09 7:59 ` [f2fs-dev] " Eric Biggers 2021-01-11 10:53 ` Christoph Hellwig 2021-01-11 10:53 ` [f2fs-dev] " Christoph Hellwig 2021-01-11 15:05 ` Jan Kara 2021-01-11 15:05 ` [f2fs-dev] " Jan Kara 2021-01-09 7:59 ` [PATCH v2 10/12] gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync() Eric Biggers 2021-01-09 7:59 ` [f2fs-dev] " Eric Biggers 2021-01-11 15:06 ` Jan Kara 2021-01-11 15:06 ` [f2fs-dev] " Jan Kara 2021-01-09 7:59 ` [PATCH v2 11/12] ext4: simplify i_state checks in __ext4_update_other_inode_time() Eric Biggers 2021-01-09 7:59 ` [f2fs-dev] " Eric Biggers 2021-01-11 10:53 ` Christoph Hellwig 2021-01-11 10:53 ` [f2fs-dev] " Christoph Hellwig 2021-01-11 20:23 ` Eric Biggers 2021-01-11 20:23 ` [f2fs-dev] " Eric Biggers 2021-01-12 13:25 ` Christoph Hellwig 2021-01-12 13:25 ` [f2fs-dev] " Christoph Hellwig 2021-02-03 5:16 ` Theodore Ts'o 2021-02-03 5:16 ` [f2fs-dev] " Theodore Ts'o 2021-01-11 15:11 ` Jan Kara 2021-01-11 15:11 ` [f2fs-dev] " Jan Kara 2021-01-09 7:59 ` [PATCH v2 12/12] xfs: remove a stale comment from xfs_file_aio_write_checks() Eric Biggers 2021-01-09 7:59 ` [f2fs-dev] " Eric Biggers 2021-01-12 17:31 ` Darrick J. Wong 2021-01-12 17:31 ` [f2fs-dev] " Darrick J. Wong 2021-01-11 15:15 ` [PATCH v2 00/12] lazytime fix and cleanups Jan Kara 2021-01-11 15:15 ` [f2fs-dev] " Jan Kara 2021-01-11 20:44 ` Eric Biggers 2021-01-11 20:44 ` [f2fs-dev] " Eric Biggers 2021-02-03 5:11 ` Theodore Ts'o 2021-02-03 5:11 ` [f2fs-dev] " Theodore Ts'o 2021-02-03 5:22 ` Eric Biggers 2021-02-03 5:22 ` [f2fs-dev] " Eric Biggers 2021-02-03 15:49 ` Theodore Ts'o 2021-02-03 15:49 ` [f2fs-dev] " Theodore Ts'o
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