diff options
| author | Jan Kara <jack@suse.cz> | 2019-11-05 17:44:17 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2019-11-05 16:00:48 -0500 |
| commit | a9a8344ee1714f835ba394077e8c13d751e2f148 (patch) | |
| tree | e1c8c2ca02986fb433198e68a89137339be74e99 | |
| parent | a413036791d040e33badcc634453a4d0c0705499 (diff) | |
| download | linux-a9a8344ee1714f835ba394077e8c13d751e2f148.tar.bz2 | |
ext4, jbd2: Provide accessor function for handle credits
Provide accessor function to get number of credits available in a handle
and use it from ext4. Later, computation of available credits won't be
so straightforward.
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20191105164437.32602-11-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
| -rw-r--r-- | fs/ext4/ext4_jbd2.c | 13 | ||||
| -rw-r--r-- | fs/ext4/ext4_jbd2.h | 7 | ||||
| -rw-r--r-- | fs/ext4/xattr.c | 2 | ||||
| -rw-r--r-- | include/linux/jbd2.h | 6 |
4 files changed, 14 insertions, 14 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 2b98d893cda9..731bbfdbce5b 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -119,8 +119,8 @@ handle_t *__ext4_journal_start_reserved(handle_t *handle, unsigned int line, return ext4_get_nojournal(); sb = handle->h_journal->j_private; - trace_ext4_journal_start_reserved(sb, handle->h_buffer_credits, - _RET_IP_); + trace_ext4_journal_start_reserved(sb, + jbd2_handle_buffer_credits(handle), _RET_IP_); err = ext4_journal_check_start(sb); if (err < 0) { jbd2_journal_free_reserved(handle); @@ -138,10 +138,10 @@ int __ext4_journal_ensure_credits(handle_t *handle, int check_cred, { if (!ext4_handle_valid(handle)) return 0; - if (handle->h_buffer_credits >= check_cred) + if (jbd2_handle_buffer_credits(handle) >= check_cred) return 0; return ext4_journal_extend(handle, - extend_cred - handle->h_buffer_credits); + extend_cred - jbd2_handle_buffer_credits(handle)); } static void ext4_journal_abort_handle(const char *caller, unsigned int line, @@ -289,7 +289,7 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle->h_type, handle->h_line_no, handle->h_requested_credits, - handle->h_buffer_credits, err); + jbd2_handle_buffer_credits(handle), err); return err; } ext4_error_inode(inode, where, line, @@ -300,7 +300,8 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle->h_type, handle->h_line_no, handle->h_requested_credits, - handle->h_buffer_credits, err); + jbd2_handle_buffer_credits(handle), + err); } } else { if (inode) diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index 1920b976eef1..36aa72599646 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -288,13 +288,6 @@ static inline int ext4_handle_is_aborted(handle_t *handle) return 0; } -static inline int ext4_handle_has_enough_credits(handle_t *handle, int needed) -{ - if (ext4_handle_valid(handle) && handle->h_buffer_credits < needed) - return 0; - return 1; -} - #define ext4_journal_start_sb(sb, type, nblocks) \ __ext4_journal_start_sb((sb), __LINE__, (type), (nblocks), 0) diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index b79d8ffd3e9b..48a9dbd27f43 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2314,7 +2314,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index, flags & XATTR_CREATE); brelse(bh); - if (!ext4_handle_has_enough_credits(handle, credits)) { + if (jbd2_handle_buffer_credits(handle) < credits) { error = -ENOSPC; goto cleanup; } diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 10e6049c0ba9..727ff91d7f3e 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1645,6 +1645,12 @@ static inline tid_t jbd2_get_latest_transaction(journal_t *journal) return tid; } + +static inline int jbd2_handle_buffer_credits(handle_t *handle) +{ + return handle->h_buffer_credits; +} + #ifdef __KERNEL__ #define buffer_trace_init(bh) do {} while (0) |